Possible Clues:

• Puff on a 2-Down
• Satisfy a nicotine craving, in a way
• Very intelligent creature to avoid cigarettes?
• Take a drag on an e-cig
• Smoke (sort of) seen rising in the pavilion
• Satisfy a nicotine craving, perhaps
• Neologism for the use of e-cigarettes
• Draw from a pen
• Use a Juul
• Puff goes from Lorraine or Nancy with exercising